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The GALEX Arecibo SDSS Survey. I. Gas Fraction Scaling Relations of Massive Galaxies and First Data Release
Barbara Catinella, David Schiminovich, Guinevere Kauffmann +23
We introduce the GALEX Arecibo SDSS Survey (GASS), an on-going large program that is gathering high quality HI-line spectra using the Arecibo radio telescope for an unbiased sample…
Cluster Galaxies Die Hard
Simone M. Weinmann, Guinevere Kauffmann, Anja von der Linden +1
We investigate how the specific star formation rates of galaxies of different masses depend on cluster-centric radius and on the central/satellite dichotomy in both field and clust…
Clustering of Radio Galaxies and Quasars
Emilio Donoso, Cheng Li, Guinevere Kauffmann +2
We compute the cross-correlation between a sample of 14,000 radio-loud AGN (RLAGN) with redshifts between 0.4 and 0.8 selected from the Sloan Digital Sky Survey and a reference sam…
Star formation and AGN activity in SDSS cluster galaxies
Anja von der Linden, Vivienne Wild, Guinevere Kauffmann +2
We investigate the recent and current star formation activity of galaxies as function of distance from the cluster center in a sample of 521 SDSS clusters at z<0.1. We show that wh…
The UV-optical colours of brightest cluster galaxies in optically and X-ray selected clusters
Jing Wang, Roderik Overzier, Guinevere Kauffmann +2
Many brightest cluster galaxies (BCGs) at the centers of X-ray selected clusters exhibit clear evidence for recent star formation. However, studies of BCGs in optically-selected cl…
partly obscured accretion disk model to explain Shifted broad Balmer emission lines of Active Galactic Nuclei
Xue-GUang Zhang, Deborah Dultzin, Ting-Gui Wang +1
We present a new model to explain the appearance of red/blue-shifted broad low-ionization emission lines, especially emission lines in optical band, which is commonly considered as…